Add colored output to most tools; Make mkoverlay more tolerant for missing overlay files; Make psxcdgen_ex emit a warning when no license file is specified

src/Tools/psxcdgen_ex/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "psxcdgen_ex"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -8,6 +8,7 @@ edition = "2021"
 [dependencies]
 cdtypes          = {path = "../cdtypes"}
 clap             = {version = "*", features = ["derive"]}
+colored          = "*"
 no-comment       = "*"
 paste            = "*"
 roxmltree        = "*"

src/Tools/psxcdgen_ex/src/encoder/psx.rs

@@ -2,6 +2,7 @@ use super::{*, SectorWriter, {CDDesc, Error}};
 use super::super::types::{helper::{DirectoryRecordMember, PathTableMember}, layout::Layout, *};
 use builder::SubModeBuilder;
 use cdtypes::types::{cdstring::{AString, DString}, date::*, dir_record::*, helper::{round_bytes_mode2_form1, sector_count_mode2_form1}, path_table::*, pvd as cd_pvd, lsb_msb::*, sector::Mode2Form1};
+use colored::*;
 use tool_helper::{BufferedInputFile, format_if_error, open_input_file_buffered};
 use std::io::{Read, Seek, SeekFrom};
 
@@ -197,7 +198,8 @@ fn process_system_area(system_area: &SystemArea, sec_writer: &mut dyn SectorWrit
     }
     
     else {
-         // No license specified - filling it with zeros
+        // No license specified - filling it with zeros
+        eprintln!("{}", "WARNING: No license file provided. Some emulators (like No$PSX) will not boot this CD.".yellow());
         for _ in 0..SYSTEM_AREA_SECTOR_COUNT {
             sec_writer.write_cd_xa_data(builder::create_xa_data_zero())?;
         }

src/Tools/psxcdgen_ex/src/main.rs

@@ -1,7 +1,7 @@
 use clap::{Parser, ValueEnum};
 use psxcdgen_ex::{encoder::{EncodingFunctions, psx::{calculate_psx_lbas, calculate_psx_length_for, encode_psx_image}}, file_writer::{ImageType, write_image}, config_reader};
-use std::{path::PathBuf, };
-use tool_helper::Error;
+use std::{path::PathBuf};
+use tool_helper::{Error, exit_with_error};
 
 #[derive(Parser)]
 #[clap(about = "Creates an ISO image from a description file", long_about = None)]
@@ -57,11 +57,11 @@ fn main() {
         Ok(cmd_line) => {
             match run_main(cmd_line) {
                 Ok(_)      => (),
-                Err(error) => eprintln!("{}", error)
+                Err(error) => exit_with_error(error)
             }
         },
         Err(error) => {
-            eprintln!("{}", error);
+            exit_with_error(Error::from_error(error))
         }
     }
 }